﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Pattern24解释器模式.Base
{
    /// <summary>
    /// 抽象表达式，用于返回解释的具体内容
    /// </summary>
    public abstract class Expression
    {
        public abstract string Interpret();
    }
}
